| http://stackoverflow.com/questions/22667401/postgres-json-data-type-rails-query | |
| http://stackoverflow.com/questions/40702813/query-on-postgres-json-array-field-in-rails | |
| #payload: [{"kind"=>"person"}] | |
| Segment.where("payload @> ?", [{kind: "person"}].to_json) | |
| #data: {"interest"=>["music", "movies", "programming"]} | |
| Segment.where("data @> ?", {"interest": ["music", "movies", "programming"]}.to_json) | |
| Segment.where("data #>> '{interest, 1}' = 'movies' ") | |
| Segment.where("jsonb_array_length(data->'interest') > 1") |
| // Drop all collections starting with the defined pattern | |
| let pattern = 'domain_test#'; | |
| db.getCollectionNames().filter((c) => c.startsWith(pattern)).forEach((c) => db[c].drop()); |
| $ sysbench cpu --cpu-max-prime=20000 --time=0 --events=10000 run | |
| sysbench 1.0.11 (using system LuaJIT 2.1.0-beta3) | |
| Running the test with following options: | |
| Number of threads: 1 | |
| Initializing random number generator from current time | |
| Prime numbers limit: 20000 |
With a 1000 rows .xlsx file
Rehearsal ------------------------------------------
rubyXL 0.540000 0.010000 0.550000 ( 0.552050)
creek 0.330000 0.000000 0.330000 ( 0.327936)
roo 0.410000 0.020000 0.430000 ( 0.425322)
--------------------------------- total: 1.310000sec